EP2234368B1 - Inhaltslieferungsvorrichtung, system und verfahren für inhalt auf anfrage - Google Patents

Inhaltslieferungsvorrichtung, system und verfahren für inhalt auf anfrage Download PDF

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Publication number
EP2234368B1
EP2234368B1 EP08871559.4A EP08871559A EP2234368B1 EP 2234368 B1 EP2234368 B1 EP 2234368B1 EP 08871559 A EP08871559 A EP 08871559A EP 2234368 B1 EP2234368 B1 EP 2234368B1
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EP
European Patent Office
Prior art keywords
content
content delivery
function entity
terminal user
control function
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English (en)
French (fr)
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EP2234368A4 (de
EP2234368A1 (de
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Hongfei Xia
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services

Definitions

  • the present invention relates to communication field, in particular to a content delivery device and system, content-on-demand method and network architecture.
  • ITU-T International Telecommunications Union-Telecommunications Standardization Sector
  • NGN Next Generation Network
  • the NGN further comprises a user stratum, a transmission stratum, a service control stratum and an application stratum and so on.
  • IP Multimedia System is the main function entity set of the service control stratum. This system is based on the Session Initiation Protocol (SIP), and has been regarded as the main technology and system architecture merged with the next generation network. Wherein, the registration, identification, authentication, quality of service (QoS) management and assurance of the user and terminal device can be realized through the IMS. Simultaneously, the IMS supports various user access technologies, user mobility management, and the intercommunication with other traditional networks or the next generation network, so as to support the mergence of services.
  • SIP Session Initiation Protocol
  • QoS quality of service
  • IPTV Internet Protocol Television
  • IPTV Internet Protocol Television
  • Asymmetric Digital Subscriber Line (ADSL) or an Ethernet transmits television signal through internet protocol, takes television set plus set top box (STB) as the main terminal, and provides various digital media service including television programs.
  • ADSL Asymmetric Digital Subscriber Line
  • STB television set plus set top box
  • WO 2007101473A1 provides a method of time-shifting and chase-play for an IPTV system
  • US 2004184432A1 provides a method for controlling streaming services between a terminal(UE) and a stream server(SS) via a communication network; however, the above mentioned problem still remains unsolved.
  • the present invention is proposed in consideration of the problems existed in related technology that a new technology is needed to solve how the IPTV realizes real mergence with the NGN and how to provide unified services in the next generation network.
  • the main object of the present invention is to provide a content delivery scheme used for the NGN to solve at least one of the problems in related technology.
  • the invention is defined by a content delivery device according to claim 1, a content-on-demand method according to claim 6 and a content delivery system according to claim 9. Further embodiments are defined by the dependent claims.
  • the present invention provides a content delivery device which is used to realize a content delivery function in next generation network.
  • the content delivery device is located in the service stratum on top of the transmission stratum, is connected between the service control function entity and the transmission function entity, and is used to deliver the content from application functions module of next generation network to a terminal user.
  • the content delivery device is also used to distribute, buffer or store the content from the application functions module.
  • the device further comprises a content delivery control function module and a plurality of content delivery and storage function modules, wherein, the content delivery control function module is used to control the operations of the content delivery and storage function modules, and the content delivery and storage function modules are used to buffer or store the content from the application functions module under the control of the content delivery control function module, and delivers the buffed or stored content to the terminal user.
  • the content delivery control function module is used to control the operations of the content delivery and storage function modules
  • the content delivery and storage function modules are used to buffer or store the content from the application functions module under the control of the content delivery control function module, and delivers the buffed or stored content to the terminal user.
  • the content delivery control function module further comprises a distribution control function entity and a location control function entity, wherein, the distribution control function entity is used to establish content distribution strategy based on document or stream, manage the content distribution among the plurality of content delivery and storage function modules, and optimize the content distribution strategy by utilizing the information of the location control function entity, and the location control function entity is used to identify the content delivery and storage function module according to a preset condition, wherein the module can deliver the content to the optimum location information of the terminal user.
  • the distribution control function entity is used to establish content distribution strategy based on document or stream, manage the content distribution among the plurality of content delivery and storage function modules, and optimize the content distribution strategy by utilizing the information of the location control function entity
  • the location control function entity is used to identify the content delivery and storage function module according to a preset condition, wherein the module can deliver the content to the optimum location information of the terminal user.
  • the preset condition comprise at least one of the following: the distribution information of the content delivery and storage function module, the load status of the content delivery and storage function, the location information of the terminal user, and the processing capacity information of the terminal user.
  • the content delivery and storage function module further comprises a delivery function entity, a distribution function entity and a buffer and storage function entity, wherein, the delivery function entity is used to transmit the content to be delivered to the terminal user, upload the content to the content delivery and storage function module, or download the content from at least one content delivery and storage function module by the terminal user; the distribution function entity is used to distribute the content among the content delivery and storage function entities, and processes the media control information from the terminal user or the service control function entity; the buffer and storage function entity is used to buffer or store distributed content.
  • the delivery function entity is used to transmit the content to be delivered to the terminal user, upload the content to the content delivery and storage function module, or download the content from at least one content delivery and storage function module by the terminal user
  • the distribution function entity is used to distribute the content among the content delivery and storage function entities, and processes the media control information from the terminal user or the service control function entity
  • the buffer and storage function entity is used to buffer or store distributed content.
  • the media control information is used to notify the content delivery and storage function module to execute at least one of the following operations: play, pause, fast forward and fast backward.
  • the above-mentioned content is the content after preparation and processing, wherein the preparation and processing comprise at least one of the following operations: content aggregation, content management, content processing, metadata processing, and content encryption.
  • the above-mentioned preparation and processing can be executed by the application function module or by an external third party of the next generation network.
  • the present invention provides a content-on-demand method used in next generation network.
  • the next generation network comprises a terminal user, a service control function entity and the above-mentioned content delivery device.
  • the method comprises: a first step wherein the terminal user initiates an on-demand request asking for playing corresponding content; a second step wherein the content delivery device obtains the URL information of the content, and returns the URL information to the service control function entity; and a third step wherein the service control function entity requests to distribute network resource, and the content delivery device plays the content for the terminal user in the case of the network resource is distributed successfully.
  • the next generation network further comprises an application function module.
  • the first step can further include: the terminal user sends the on-demand request to the service control function entity, wherein, the on-demand request carries the user information of the terminal user; the service control function entity authenticates the terminal user according to the user information in the on-demand request, and sends the request for obtaining the URL information for delivering to the content delivery device via the application function module if the authentication is successful.
  • the content delivery device obtains the URL information in response to the request for obtaining the URL information for delivering.
  • next generation network further comprises a resource admittance function entity which is characterized in that in the third step the service control function entity requests the resource admittance function entity to distribute the network resource.
  • the present invention provides a content delivery system.
  • the system comprises a service control function entity and a content delivery device, wherein, the service control function entity is located in the service stratum, is connected with the content delivery device and the terminal user, is used to send the request for obtaining the URL information of the content to the content delivery device after the terminal user initiates the on-demand request asking for playing corresponding content, request for the network resource after obtaining the URL information, and send the obtained URL information to the terminal user after the network resource is distributed successfully;
  • the content delivery device is located in the service stratum, is used to send the URL information to the service control function entity in response to the request for obtaining the URL information of the content,, and play the content for the terminal user after the terminal user receives the URL information.
  • the service control function entity is also used to authenticate the terminal user according to the user information of the terminal user carried in the on-demand request, and send the request for obtaining the URL information of the content to the content delivery device in the case of the authentication is successful.
  • system further comprises a resource admittance control function entity, wherein, the resource admittance control function entity is located in the transmission stratum, is used to distribute the network resource when the service control function entity requests for distributing the network resource, and notifies the distribution result of the network resource to the service control function entity.
  • the system further comprises an application support function entity and a service support function entity which are both located in the service stratum, wherein, the application support function entity comprises an application function module which is connected with the service control function entity, is used to forward the request for obtaining the URL information of the content from the service control function entity to the content delivery device, and forward the URL information from the content delivery device to the service control function entity.
  • the application support function entity comprises an application function module which is connected with the service control function entity, is used to forward the request for obtaining the URL information of the content from the service control function entity to the content delivery device, and forward the URL information from the content delivery device to the service control function entity.
  • the present invention adds a content delivery device (function entity) on the basis of existing NGN architecture, merges the multimedia services such as IPTV with the NGN network, provides the on-demand method of IPTV service after the merging, and renovates existing NGN network architecture through completely merging the interactive network television system with the next generation network architecture (NGN IMS or NGN non-IMS).
  • NGN IMS next generation network architecture
  • content delivery functions are added in the service stratum of existing NGN network architecture. In this way, the terminal user can realize roaming and nomadic functions, and the core competitiveness of the IPTV system is improved.
  • the present invention provides a content delivery device (also called content delivery function (CDF) entity) which is used to realize content delivery function in NGN.
  • the content delivery device can be located in the service stratum on top of the transmission stratum, be connected between the service control function entity and the transmission function entity, and be used to deliver the content from application functions module of NGN to a terminal user.
  • the terminal user herein can also be called end-user function entity (EU for short), wherein, the location of the terminal user in NGN is as shown in Fig.1 .
  • EU end-user function entity
  • the content delivery device will be detailed hereafter in combination with the NGN architecture block diagram as shown in Fig.1 .
  • the NGN comprises a transmission stratum and a service stratum, wherein, the service stratum comprises an application support function entity, a service support function entity, a service control function entity (module), and a content delivery device; the transmission stratum comprises a transmission control function entity and a transmission function entity.
  • the transmission control function entity comprises a network adhesion control function entity and a resource admittance control function entity (RACF).
  • the system further comprises a management function entity.
  • the content delivery device is added in the service stratum of existing NGN architecture.
  • the device is located under the service control function stratum of the service stratum, and above the transmission stratum.
  • the terminal user can be any one multimedia terminal.
  • the terminal user can be an IPTV terminal function entity, and the IPTV terminal function entity can be a set top box realized through hardware, or a terminal device having set top box functions realized through software.
  • the service control function entity refers to a Core IMS function entity in the IPTV system of NGN IMS network architecture.
  • the function entity provides a session control mechanism, provides the identification and authentication of the terminal user, and requests the resource admittance control function entity to distribute resources.
  • the service control function entity (module) is also interacted with the terminal user, the application support function entity, the service support function entity and the content delivery function to make sessions under session description protocol and complete the functions such as security, QoS, charging, roaming.
  • the application support function entity and the service support function entity are connected with application through an application network interface (ANI).
  • ANI application network interface
  • the service control function entity further comprises service user information.
  • the resource admittance control function entity is used to distribute resources, and can also be interacted with the terminal user, the application support function entity, the service support function entity and the content delivery function to make sessions under session description protocol and complete the functions such as security, QoS, charging, roaming.
  • the NGN can be connected with other networks through a network interface (NNI).
  • NNI network interface
  • the NGN further comprises an application function (AS for short) entity (module) (e.g. it can be IPTV application function in the case of the IPTV service).
  • the application function can be located in the sub-function of the internal function of the application support function entity and the service support function entity as shown in Fig.1 , and be used for the terminal user to select and purchase the content, process the request from the terminal user, authenticate the application, execute application logic (the application such as broadcast-on-demand, live broadcast, and application selection, etc), process the information such as content metadata.
  • the application function can communicate with the content delivery and storage module, and process the request of selecting the address information of the content delivery and storage module from the service control function.
  • the content delivery device is used to distribute, buffer or store the content from the application function module.
  • the above-mentioned content from the application function module can be the content which has been prepared and processed.
  • the preparation and the processing comprise at least one of the following operations: content aggregation, content management, content processing, metadata processing, and content encryption.
  • the preparation and processing of the content can be completed in the application function module of the NGN or by an external third party of the NGN. That is to say, the content from the application function module can be the content locally stored in the application function module, and can also be the content which is from an external third party of the NGN and is forwarded (distributed) by the application function module after having been prepared and processed by the third party.
  • Fig.2 shows the content delivery device according to the embodiment of the present invention.
  • the content delivery device according to the embodiment of the present invention comprises: a content delivery control function module 10, used to control the operations of content delivery and storage function modules 20; one or more content delivery and storage function modules 20, used to buffer or store the content distributed by the application function module under the control of the content delivery control function module 10, and deliver the buffered or stored content to the terminal user.
  • the structure of the device is as shown in Fig.2 , wherein, for the purpose of the clearness, the Fig.2 shows only one content delivery and storage function module.
  • the content delivery and storage function module 20 can be disposed in a distributed manner.
  • Fig.3 shows the preferable block diagram of the content delivery device according to the embodiment of the present invention.
  • the content delivery control function module 10 can comprise a distribution control function entity 102 and a location control function entity 104
  • the content delivery and storage function module 20 can comprise a delivery function entity 202 and a distribution function entity 204.
  • the distribution control function entity 102 is used to establish a distribution strategy based on document or stream, manage the content distribution among the plurality of content delivery and storage function modules, and optimize the distribution strategy of the content by utilizing the information of the location control function entity 104; the location control function entity 104 is used to identify the content delivery and storage function module 20 according to a preset condition, wherein the content delivery and storage function module 20 has optimum location information for delivering the content to the terminal user.
  • the preset condition comprise at least one of the following: the distribution information of the content delivery and storage function module, the load status of the content delivery and storage function, the location information of the terminal user, and the processing capacity information of the terminal user.
  • the media control information is used to notify the content delivery and storage function module to execute at least one of the following operations: play, pause, fast forward and fast backward.
  • the delivery function entity 202 is used to transmit (deliver) the content to be delivered to the terminal user, and is used for the upload and download of the terminal user, namely provides support for the treating process of transmitting the content the terminal user needs to transmit to the content delivery device (content delivery function entity), or the treating process of downloading the stored content from the content delivery device to the terminal user.
  • the delivery function entity 202 is used for terminal user uploading the content to or downloading the content from at least one content delivery and storage function module 20.
  • the distribution function entity 204 is used to distribute (forward) the content among the content delivery and storage function modules 20, and the processing media control message from the terminal user or the service control function entity.
  • the buffer and storage function entity 206 is connected with the distribution function entity 204, and is used to buffer or store the distributed content.
  • the present invention provides a content-on-demand method which is used for NGN, wherein, the NGN can comprise the terminal user, the service control function entity, and foresaid content delivery device.
  • Fig.4 shows the flowchart of the content-on-demand method according to the embodiment of the present invention.
  • the method comprises: step S402, the terminal user initiates on-demand request for playing corresponding content; step S404, the content delivery device obtains the URL information of the content, and returns the URL information to the service control function; and step S406, the service control function entity requests to distribute network resource, and if the network resource is distributed successfully, the service control function entity returns the URL information of the content to the terminal user, and then the content delivery device plays the content for the terminal user.
  • the NGN further comprises an application function module.
  • the step S402 can further include: the terminal user sends the on-demand request to the service control function entity, wherein, the on-demand request carries the user information of the terminal user; the service control function entity authenticates the terminal user according to the user information in the on-demand request, and sends the request message for obtaining the URL information for delivering to the content delivery device through the application support function entity and the service support function entity if the authentication is successful.
  • the content delivery device obtains the URL information in response to the request message for obtaining the URL information for delivering.
  • the NGN further comprises a resource admittance function entity. Accordingly, in step S406, the service control function entity requests the resource admittance function entity to distribute the network resource.
  • the specific treating processes are as follows (step 502-step 522).
  • Step 502 the terminal user sends on-demand request to the service control function entity (SCF);
  • Step 504 the service control function entity receives the on-demand request, identifies and authenticates the user according to the user information of the terminal user carried in the on-demand request.
  • the service control function entity sends a request message for on-demand URL to the IPTV application function module (AS);
  • AS forwards the request message for the URL of the on-demand program to the content delivery module (CDF);
  • Step 508 the content delivery control module selects a proper content delivery and storage function (for obtaining URL information) according to the distribution strategy (e.g.
  • Step 510 the content delivery function entity (CDF, namely, the foresaid content delivery device) returns the URL information of a media server providing on-demand channel service to the AS;
  • Step 512 the IPTV application function returns the URL information of the media server providing on-demand program service to the service control function entity (SCF);
  • Step 514 the SCF requests the resource admittance control function entity (RACF) to distribute network resource information;
  • Step 516 RACF module distributes the network resource information;
  • Step 518, RACF module returns the distributed network resource information to the SCF;
  • Step 520 SCF returns the URL address of the media server providing the on-demand program service to the ITF;
  • Step 522 ITF is interacted with SCF, CDF and so on to establish RTSP link which provides on-demand stream service for the ITF.
  • the present invention provides a content delivery system which can be located in the NGN architecture as shown in Fig.1 .
  • Fig.6 is the block diagram of the content delivery system according to the embodiment of the present invention. As shown in Fig.6 , the content delivery system according to the embodiment comprises a service control function entity and a content delivery device.
  • the service control function entity 60 is located in the service stratum, is connected with the content delivery device 70 and the terminal user, is used to send the request for obtaining the URL information of the corresponding content to the content delivery device after the terminal user initiates the on-demand request for playing corresponding content, requests for the network resource after obtaining the URL information, and sends the URL information to the terminal user after the network resource is distributed successfully.
  • the content delivery device 70 is located in the service stratum, is used to respond to the request for obtaining the URL information of the corresponding content, sends the URL information to the service control function entity, and plays the corresponding content for the terminal user after the terminal user receives the URL information.
  • the service control function entity is also used to authenticate the terminal user according to the user information of the terminal user carried in the on-demand request, and sends the request for obtaining the URL information of the content to the content delivery device if the authentication is successful.
  • Fig.7 shows the preferable block diagram of the content delivery device according to the embodiment of the present invention.
  • the content delivery system further comprises a resource admittance control function entity 80, an application support function entity and a service support function entity 90.
  • the resource admittance control function entity 80 is located in the transmission stratum, is used to distribute the network resource when the service control function entity requests for distributing the network resource, and notifies the distribution result of the network resource to the service control function entity.
  • the application support function entity and the service support function entity 90 are located in the service stratum, which comprises an application function module 902.
  • the application function module 902 can be connected with the service control function entity 60, is used to forward the request for obtaining the URL information of the content from the service control function entity to the content delivery device, and forwards the URL information from the content delivery device 70 to the service control function entity 60.
  • the present invention provides a network architecture in next generation network.
  • the network architecture comprises a transmission stratum and a service stratum, wherein, the service stratum further comprises the above-mentioned content delivery function device which is used to realize the information transmission between the transmission stratum and a terminal user.
  • the present invention Through changing the architecture of the NGN, namely, adding the content delivery device (function entity), the present invention really realizes to merge the multimedia services such as IPTV in the NGN network, and provides the on-demand method of the IPTV service after the merging. Furthermore, it should be understood for those skilled in the art that the present invention not only can be used to merge the IPTV service in NGN network, but also can be used for a plurality of other services. Therefore, various services of next generation network are developed expediently and the vacancy of the related technology is filled up.
  • the present invention completely merges the interactive network television system in the NGN architecture (NGN IMS or NGN non-IMS), and renovates service stratum of existing NGN network architecture through adding the content delivery functions.
  • NGN IMS NGN IMS
  • NGN non-IMS NGN non-IMS
  • the IPTV system based on the architecture can realize to renovate the NGN network.
  • the terminal user can realize the roaming and nomadic functions, and the core competitiveness of the IPTV system is improved.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (11)

  1. Inhaltsbereitstellungsvorrichtung (70), die verwendet wird, um eine Inhaltsbereitstellungsfunktion im Netz der nächsten Generation auszuführen, wobei das Netz der nächsten Generation eine Übertragungsschicht und eine Dienstschicht umfasst, die Dienstschicht eine Dienststeuerungsfunktionseinheit (60) umfasst, und die Übertragungsschicht eine Übertragungsfunktionseinheit umfasst, wobei
    die Inhaltsbereitstellungsvorrichtung (70), die in der Dienstschicht oberhalb der Übertragungsschicht liegt und zwischen der Dienststeuerungsfunktionseinheit (60) und der Übertragungsfunktionseinheit angeschlossen ist, dazu konfiguriert ist, den Inhalt aus einem Anwendungsfunktionsmodul (902) des Netzes der nächsten Generation einem Endgerätebenutzer bereitzustellen;
    wobei die Inhaltsbereitstellungsvorrichtung (70) weiter dazu konfiguriert ist, den Inhalt aus dem Anwendungsfunktionsmodul (902) zu verteilen, zu puffern oder zu speichern;
    dadurch gekennzeichnet, dass
    die Inhaltsbereitstellungsvorrichtung (70) ein Inhaltsbereitstellungssteuerungsfunktionsmodul (10) und ein mindestens eines Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) umfasst, wobei
    das Inhaltsbereitstellungssteuerungsfunktionsmodul (10) dazu konfiguriert ist, den Betrieb des Inhaltsbereitstellungs- und Speicherfunktionsmoduls (20) zu steuern;
    das mindestens eine Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) dazu konfiguriert ist, den Inhalt aus dem Anwendungsfunktionsmodul (902) unter der Steuerung des Inhaltsbereitstellungssteuerungsfunktionsmoduls (10) zu puffern oder zu speichern und den gepufferten oder gespeicherten Inhalt dem Endgerätebenutzer bereitzustellen;
    wobei das Inhaltsbereitstellungssteuerungsfunktionsmodul (10) weiter eine Verteilungssteuerungsfunktionseinheit (102) und eine Standortsteuerungsfunktionseinheit (104) umfasst, wobei
    die Verteilungssteuerungsfunktionseinheit (102) dazu konfiguriert ist, eine Inhaltsverteilungsstrategie auf Basis eines Dokuments oder Streams zu erstellen, die Inhaltsverteilung unter dem mindestens einen Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) zu verwalten, und die Inhaltsverteilungsstrategie unter Verwendung der Informationen der Standortsteuerungsfunktionseinheit (104) zu optimieren;
    die Standortsteuerungsfunktionseinheit (104) dazu konfiguriert ist, ein Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) zu identifizieren, das optimale Standortinformationen aufweist, um dem Endgerätebenutzer den Inhalt gemäß einer voreingestellten Bedingung bereitzustellen.
  2. Inhaltsbereitstellungsvorrichtung (70) nach Anspruch 1, wobei die voreingestellte Bedingung mindestens eines aus den Folgenden umfasst: die Verteilungsinformationen des mindestens einen Inhaltsbereitstellungs- und Speicherfunktionsmoduls (20), den Lastzustand des Inhaltsbereitstellungs- und Speicherfunktionsmoduls (20), die Standortinformationen des Endgerätebenutzers, und die Verarbeitungskapazitätsinformationen des Endgerätebenutzers.
  3. Inhaltsbereitstellungsvorrichtung (70) nach Anspruch 1, wobei das Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) weiter umfasst:
    eine Bereitstellungsfunktionseinheit (202), die dazu konfiguriert ist, den Inhalt, der dem Endgerätebenutzer bereitgestellt werden soll, zu übertragen, um durch den Endgerätebenutzer Inhalt auf das mindestens eine Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) hochzuladen oder Inhalt aus dem mindestens einen Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) herunterzuladen;
    eine Verteilungsfunktionseinheit (204), die dazu konfiguriert ist, den Inhalt unter den Inhaltsbereitstellungs- und Speicherfunktionseinheiten zu verteilen und eine Mediensteuerungsnachricht vom Endgerätebenutzer oder der Dienststeuerungsfunktionseinheit (60) zu verarbeiten; und
    eine Puffer- und Speicherfunktionseinheit (206), die dazu konfiguriert ist, den verteilten Inhalt zu puffern oder zu speichern.
  4. Inhaltsbereitstellungsvorrichtung (70) nach Anspruch 3, wobei die Mediensteuerungsnachricht verwendet wird, um das Inhaltsbereitstellungs- und Speicherfunktionsmodul (20) darüber zu benachrichtigen, mindestens einen der folgenden Vorgänge auszuführen: Wiedergabe, Pause, schnelles Vorspielen und schnelles Zurückspielen.
  5. Inhaltsbereitstellungsvorrichtung (70) nach einem der Ansprüche 1 bis 4, wobei es sich bei dem Inhalt um den Inhalt handelt, der vorbereitet und verarbeitet wurde, wobei das Vorbereiten und Verarbeiten mindestens eines aus den Folgenden einschließen: Inhaltsaggregation, Inhaltsverwaltung, Inhaltsverarbeitung, Metadatenverarbeitung, und Inhaltsverschlüsselung, wobei das Vorbereiten und Verarbeiten vom Anwendungsfunktionsmodul (902) oder von einer externen dritten Partei des Netzes der nächsten Generation ausgeführt werden.
  6. Inhalt-auf-Abruf-Verfahren, das im Netz der nächsten Generation verwendet wird, wobei das Netz der nächsten Generation einen Endgerätebenutzer, eine Dienststeuerungsfunktionseinheit (60) und die Inhaltsbereitstellungsvorrichtung (70) nach einem der Ansprüche 1 bis 5 umfasst, wobei das Verfahren umfasst:
    einen ersten Schritt (S402), bei dem der Endgerätebenutzer eine Auf-Abruf-Anfrage initiiert, um entsprechenden Inhalt wiederzugeben;
    einen zweiten Schritt (S404), bei dem die Inhaltsbereitstellungsvorrichtung (70) die URL-Informationen des Inhalts erhält und die URL-Informationen an die Dienststeuerungsfunktionseinheit (60) zurückgibt; und
    einen dritten Schritt (S406), bei dem die Dienststeuerungsfunktionseinheit (60) um Verteilung einer Netzressource anfragt und die URL-Informationen des Inhalts dem Endgerätebenutzer zurückgibt, wenn die Netzressource erfolgreich verteilt wird, und die Inhaltsbereitstellungsvorrichtung (70) den Inhalt für den Endgerätebenutzer wiedergibt;
    wobei das Netz der nächsten Generation weiter ein Anwendungsfunktionsmodul (902) umfasst, wobei der erste Schritt (S402) weiter einschließt:
    Senden der Auf-Abruf-Anfrage durch den Endgerätebenutzer an die Dienststeuerungsfunktionseinheit (60), wobei die Auf-Abruf-Anfrage die Benutzerinformationen des Endgerätebenutzers übermittelt;
    Authentifizieren des Endgerätebenutzers durch die Dienststeuerungsfunktionseinheit (60) gemäß den Benutzerinformationen in der Auf-Abruf-Anfrage, und Senden einer Anfragenachricht zum Erhalten der URL-Informationen für Bereitstellung über das Anwendungsfunktionsmodul (902) an die Inhaltsbereitstellungsvorrichtung (70), wenn die Authentifizierung erfolgreich ist.
  7. Inhalt-auf-Abruf-Verfahren nach Anspruch 6, wobei die Inhaltsbereitstellungsvorrichtung (70) im zweiten Schritt (S404) die URL-Informationen in Antwort auf die Anfragenachricht zum Erhalten der URL-Informationen für Bereitstellung erhält.
  8. Inhalt-auf-Abruf-Verfahren nach Anspruch 6, wobei das Netz der nächsten Generation weiter eine Ressourcengewährungsfunktionseinheit umfasst, wobei
    die Dienststeuerungsfunktionseinheit (60) im dritten Schritt (S406) die Ressourcengewährungsfunktionseinheit dazu auffordert, die Netzressource zu verteilen.
  9. Inhaltsbereitstellungssystem, wobei das System umfasst:
    eine Dienststeuerungsfunktionseinheit (60), die in einer Dienstschicht liegt und an eine Inhaltsbereitstellungsvorrichtung (70) und einen Endgerätebenutzer angeschlossen ist, die dazu konfiguriert ist, eine Anfrage zum Erhalten der URL-Informationen des Inhalts an die Inhaltsbereitstellungsvorrichtung (70) zu senden, nachdem der Endgerätebenutzer eine Auf-Abruf-Anfrage initiiert, um den entsprechenden Inhalt wiederzugeben, nach Erhalten der URL-Informationen um die Netzressource anzufragen und die URL-Informationen an den Endgerätebenutzer zu senden, nachdem die Netzressource erfolgreich verteilt wurde; und
    eine in der Dienstschicht liegende Inhaltsbereitstellungsvorrichtung (70) nach einem der Ansprüche 1 bis 5, die dazu konfiguriert ist, auf die Anfrage zum Erhalten der URL-Informationen des Inhalts zu antworten, die URL-Informationen an die Dienststeuerungsfunktionseinheit (60) zu senden, und den Inhalt für den Endgerätebenutzer wiederzugeben, nachdem der Endgerätebenutzer die URL-Informationen empfängt;
    wobei die Dienststeuerungsfunktionseinheit (60) weiter dazu konfiguriert ist, den Endgerätebenutzer gemäß den in der Auf-Abruf-Anfrage übermittelten Benutzerinformationen des Endgerätebenutzers zu authentifizieren und die Anfrage zum Erhalten der URL-Informationen des Inhalts an die Inhaltsbereitstellungsvorrichtung (70) zu senden, wenn die Authentifizierung erfolgreich ist.
  10. Inhaltsbereitstellungssystem nach Anspruch 9, weiter eine in der Übertragungsschicht liegende Ressourcengewährungssteuerungsfunktionseinheit (80) umfassend, die dazu konfiguriert ist, die Netzressource zu verteilen, wenn die Dienststeuerungsfunktionseinheit (60) um Verteilung der Netzressource fragt, und die Dienststeuerungsfunktionseinheit (60) über das Verteilungsergebnis der Netzressource zu benachrichtigen.
  11. Inhaltsbereitstellungssystem nach Anspruch 9, weiter eine Anwendungsunterstützungsfunktionseinheit und eine Dienstunterstützungsfunktionseinheit umfassend, wobei die Anwendungsunterstützungsfunktionseinheit und die Dienstunterstützungsfunktionseinheit in der Dienstschicht liegen und ein Anwendungsfunktionsmodul (902) umfassen, wobei das Anwendungsfunktionsmodul (902) an die Dienststeuerungsfunktionseinheit (60) angeschlossen und dazu konfiguriert ist, die Anfrage zum Erhalten der URL-Informationen des Inhalts von der Dienststeuerungsfunktionseinheit (60) an die Inhaltsbereitstellungsvorrichtung (70) weiterzuleiten, und dazu konfiguriert ist, die URL-Informationen von der Inhaltsbereitstellungsvorrichtung (70) an die Dienststeuerungsfunktionseinheit (60) weiterzuleiten.
EP08871559.4A 2008-01-11 2008-12-19 Inhaltslieferungsvorrichtung, system und verfahren für inhalt auf anfrage Active EP2234368B1 (de)

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US20100287602A1 (en) 2010-11-11

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